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Finally had heat management problems :/

Messages
188
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83
Location
Baton Rouge
#41
Thanks [MENTION=9199]redmoe[/MENTION]. I read no oil thermostat. First cooling upgrade for me will be the radiator.
Aye. Always great when someone posts the service manual. Speaking of which, [MENTION=9199]redmoe[/MENTION] do you know the best place to find the Fiesta ST service manual online? Quick searches in the past yielded no fruit.
 


redmoe

Active member
Messages
516
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247
Location
Phoenix
#42
I can’t remember where I found it but I could only get the 2014 version.
 


BRGT350

1000 Post Club
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1,075
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762
Location
Grand Haven
#45
Great post on the coolant system function and something I had not seen prior. Thanks also for the correction on the oil cooler thermostat.
 


Messages
61
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16
Location
Thornton
#48
So, in the FSM excerpt, it states that there is a transmission oil cooler. I thought the transmission was splash lubricated and therefore would not be possible to cool?
 


Messages
470
Likes
148
Location
Mount Dora
#50
So, in the FSM excerpt, it states that there is a transmission oil cooler. I thought the transmission was splash lubricated and therefore would not be possible to cool?
Having recently removed my transmission, I can say %100 there is no oil cooler, you sure you are not looking at the entry for the slushbox Fiestas?
 


Messages
61
Likes
16
Location
Thornton
#51
From Redmoe's post on page 4.

Phase 2:

During an initial start-up with an ambient temperature 60-75F (16-24C) or cooler (calibratable) the coolant shutoff solenoid valve remains open. This allows engine coolant to circulate through the heater core providing cabin heat to the customer. When the coolant shutoff solenoid valve is open, the coolant circulates through the engine (cylinder block and cylinder head), heater core, engine oil cooler, transmission oil cooler, turbo, and degas bottle. Coolant is also routed into the thermostat housing which initiates the warm-up phase of the thermostat.
 


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